Compilare: main.cpp: In function 'void dfs(int)': main.cpp:19:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for(int i=0;i<A[nod].size();i++) | ~^~~~~~~~~~~~~~ main.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 28 | for(int i=0;i<A[nod].size()-1;i++) | ~^~~~~~~~~~~~~~~~ main.cpp:37:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int lg=3;lg<=A[nod].size();lg++) | ~~^~~~~~~~~~~~~~~ main.cpp:39:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 39 | for(int i=0;i+lg-1<A[nod].size();i++) | ~~~~~~^~~~~~~~~~~~~~